Major Customers, Partnerships and Strategic Alliances (Tables)

6 Months Ended

Jun. 30, 2018

Revenues recognized under the agreement for the three and six months ended June 30, 2018 and 2017 were as follows (in thousands):

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2018		2017		2018		2017
Revenue related to Bioverativ agreement:
Recognition of upfront fee	$	1,184	$	442	$	2,338	$	884
Research services		3,332		3,068		6,560		4,777
Total	$	4,516	$	3,510	$	8,898	$	5,661

Revenues recognized under the agreement for the three and six months ended June 30, 2018 and 2017 were as follows (in thousands):

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2018		2017		2018		2017
Revenue related to Shire agreement:
Recognition of upfront fee	$	—	$	583	$	—	$	1,167
Research services		—		3		—		110
Total	$	—	$	586	$	—	$	1,277